HQ MMD ramshorn forged shank hook is same as DIN15401 HOOKS. DIN hooks are used in a wide variety of applications ranging from small rigging blocks,hoists,lifting beams ,etc. to large cranes. We not only supply standard size shank hook,but also extended shanks to allow for any machining requirements.We supply hooks ranges from 1.6# to250#,the size is as below tables.If you don't know how to choose the correct hooks, just tell us your drive group of the cranes, please contact us on +86(373)8791 040 or send email to max@hbqzdg.comWe can supply hooks as forging only or machine them to your exact requirements. We can also manufacturer the full assembliies complete with nut and collar.Ramshorn shank hook

See the below table, if your drive group of crane is A5, the capacity of crane is 20 tonnes,

and you want to use "P" grade hook, then you can choose hook No. 12, as the yellow part we marked.

Grade

Dirve group of cranes

Grade

M

―

―

―

―

A3

A4

A5

A6

A7

A8

M

P

―

―

―

A3

A4

A5

A6

A7

A8

―

P

(S)

―

―

A3

A4

A5

A6

A7

A8

―

―

(S)

T

―

A3

A4

A5

A6

A7

―

―

―

―

T

(V)

A3

A4

A5

A6

A7

―

―

―

―

―

(V)

Hook No.

Capacity(Metric Ton)

Hook No.

8

40

32

25

20

16

12.5

10

8

6.3

5

8

10

50

40

32

25

20

16

12.5

10

8

6.3

10

12

63

50

40

32

25

20

16

12.5

10

8

12

16

80

63

50

40

32

25

20

16

12.5

10

16

20

100

80

63

50

40

32

25

20

16

12.5

20

25

125

100

80

63

50

40

32

25

20

16

25

32

160

125

100

80

63

50

40

32

25

20

32

40

200

160

125

100

80

63

50

40

32

25

40

50

250

200

160

125

100

80

63

50

40

32

50

63

320

250

200

160

125

100

80

63

50

40

63

80

400

320

250

200

160

125

100

80

63

50

80

100

500

400

320

250

200

160

125

100

80

63

100

125

―

500

400

320

250

200

160

125

100

80

125

160

―

640

500

400

320

250

200

160

125

100

160

200

―

800

640

500

400

320

250

200

160

125

200

250

―

1000

800

640

500

400

320

250

200

160

250

Note:table 2

◆The hook grade and material

Hook grade

M

P

（S）

T

（V）

Hook No.

1.6#-40#

Q345qD or 20Mn

Q345qD or DG20Mn

Q420qD or 35CrMo

35CrMo

34Cr2Ni2Mo

50#-250#

Q420qD

35CrMo

34Cr2Ni2Mo

30Cr2Ni2Mo

Standard：GB10051-2010 same as DIN15400

◆ Mechanical standard

Hook Grade

Carbon Steel

Alloy Steel

Upper yield

strength Mpa

Impart energy Akv(ISO-V)/J

Upper yield

strength Mpa

Impart energy Akv(ISO-V)/J

20℃

―20℃

20℃

―20℃

Vertical

Cross

Vertical

Cross

Vertical

Cross

M

235

55

31

39

21

―

―

―

P

315

―

―

―

（S）

390

390

35

27

T

―

―

490

35

27

（V）

―

―

620

35

27

Crane hook is key components of crane, the below table tell you when you must replace your crane

hooks and how to inspect, this is crane hook scrap standard.

1.Crack:No crack on surface of hook, the hook should be scrapped if there is crack on surface.2.Size:The throat of hook is up 10% of new hook, the hook should be scrapped.3.Warp:The hook should be scrapped if the body is warped over 10 degree.4.Deformation: The hook should be scrapped if the handle of hook deformed.5.Abrasion:The hook should be scrapped if the working part abrasion is over 5%.6.Corrosion:The hook should be scrapped if the hook handle D1 size is 5% less than new hook.

◆ Inspecting time

Frequent inspection

drive group of crane

≤A5

A6-A7

A8

（working day）

30

7―30

1―7

Regular inspection

drive group of crane

≤A6

A7-A8

Inspection

1 year

3 Months

Please be free to buy the ramshorn hook with shackle hole in compliance to din15402 b with the best price with our professional China manufacturers and suppliers. And the customized products are also offered if you need.